Answer:
the bottom one
Step-by-step explanation:
all exponential graphs look similar to that
Answer:
a. 
Step-by-step Explanation:
Given:
Distance Ottawa to Québec = 425 km
Initial flight rate = v + 60
Return flight rate = v - 40

Required:
Flight times difference of the initial and return flights
Solution:
=>Flight time of the initial flight:


=>Flight time of the return flight:

=>Difference in flight times:






The solution of <span>0 = x2 − 5x − 36 is x = - 4 and x = 9
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